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Current Ozone and Weather Data in National Parks


Theodore Roosevelt National Park - Visitor Center, ND
EPA AQS Site Number: 38-007-0002


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Friday October 20, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 30
1 AM 32 30
2 AM 30 29
3 AM 29 29
4 AM 30 29
5 AM 31 29
6 AM 30 30
7 AM 29 31
8 AM 29 33
9 AM 28 35
10 AM 27 36
11 AM 29 38
12 PM 34 39
1 PM 38 40
2 PM 40 39
3 PM 42 39
4 PM 42 38
5 PM 43 36
6 PM 42 35
7 PM 36 33
8 PM 37 33
9 PM 35 32
10 PM 35 32
11 PM 34 31
Weather and Ozone Data Friday October 20, 2017
Hour
Ending
(Local Time)
Ozone
(parts per
billion)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
Solar
Radiation
(watts per
meter
squared)
Rainfall
(millimeters)
12 AM 33 6.8 S 13.3 32 -- 0.0
1 AM 32 5.7 S 11.2 38 -- 0.0
2 AM 30 7.6 S 10.2 43 -- 0.0
3 AM 29 6.6 S 8.8 48 -- 0.0
4 AM 30 7.1 S 8.1 50 -- 0.0
5 AM 31 6.7 S 8.2 48 -- 0.0
6 AM 30 6.5 S 8.0 46 -- 0.0
7 AM 29 6.1 S 8.2 44 -- 0.0
8 AM 29 5.8 SW 7.8 45 21 0.0
9 AM 28 5.8 S 9.3 42 163 0.0
10 AM 27 5.2 S 13.3 36 319 0.0
11 AM 29 4.8 S 16.6 30 446 0.0
12 PM 34 3.5 S 20.8 25 507 0.0
1 PM 38 3.4 S 23.9 22 558 0.0
2 PM 40 3.6 S 25.7 20 532 0.0
3 PM 42 4.0 SE 26.2 20 463 0.0
4 PM 42 5.7 SE 26.4 19 348 0.0
5 PM 43 5.1 S 25.0 23 152 0.0
6 PM 42 3.0 SE 21.6 31 35 0.0
7 PM 36 4.9 SE 19.3 34 0 0.0
8 PM 37 5.2 S 17.9 35 0 0.0
9 PM 35 4.7 S 16.3 37 -- 0.0
10 PM 35 8.6 W 17.9 33 0 0.0
11 PM 34 11.8 W 16.2 34 -- 0.0
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updated on 10/21/2017 2:43 PM  I   http://nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster